In addition to what Tink-n-Belle said...
Curiously, my son said one negative on this last cruise was that they had "open house" at some point every day during the cruise - usually that's just a few hours on the first day. It stunk for the teens, b/c most activities were shut down during that time, and parents and kids of any age were allowed to come in an check out the Vibe (but, as I said, most stuff was shut down, so there wasn't much for anyone to do but tour it). Hopefully DCL will get enough feedback on that to cut it down.
On the first night, they have "The Download" where the teens sailing that cruise get together with the counselors to plan out activities they'd like to do for the week. My kids loved dodge ball on the sports deck, pizza party, smoothie hour, trivia contests, the zombie movie making activities. (They didn't participate in the zombie activity this time around but were really into it last time). They would watch old movies at the Vibe (Sister Act was one they watched last week). On the private Vibe deck, there is a small pool, ping pong, foosball, and loungers.
I've heard somewhere that they have a kitchen area, with drinks, snacks, smoothies. Can anybody confirm or deny that?